1. Elements combine to form millions of
A. metals.
B. mixtures
C. compounds.
2. T...
Chemistry, 05.11.2020 03:30 michellestepp2001
1. Elements combine to form millions of
A. metals.
B. mixtures
C. compounds.
2. The forces that hold atoms together in combinations are called
A. energy bonds.
B. nuclear bonds.
C. chemical bonds.
3. Every electron has a
A. neutral charge.
B. positive charge.
C. negative charge.
4. The exact positions of the electrons in an atom cannot be determined because
electrons are always
A. moving
B. sharing.
C. changing
5. Compared with electrons that are closer to the nucleus, those that are farther
away have
A. less energy
B. more energy
C. equal energy
Answers: 3
Chemistry, 22.06.2019 19:30
If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
Answers: 2
Chemistry, 22.06.2019 22:30
Rank the four gases (air, exhaled air, gas produced from from decomposition of h2o2, gas from decomposition of nahco3) in order of increasing concentration of co2
Answers: 1
Chemistry, 22.06.2019 23:30
If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+
Answers: 1
English, 10.12.2020 16:30
English, 10.12.2020 16:30
English, 10.12.2020 16:30
Geography, 10.12.2020 16:30
Computers and Technology, 10.12.2020 16:30
Mathematics, 10.12.2020 16:30
Health, 10.12.2020 16:30
History, 10.12.2020 16:30
Mathematics, 10.12.2020 16:30
Mathematics, 10.12.2020 16:30
Health, 10.12.2020 16:30